#5B91C7#5B91C7

#5B91C7 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 64.2% C 0.100 H 249.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#5B91C7
RGB	rgb(91, 145, 199)
HSL	hsl(210, 49%, 57%)
HSV	hsv(210, 54%, 78%)
CMYK	cmyk(54.3%, 27.1%, 0%, 22%)
CIE-LAB	lab(58.60, -2.28, -33.37)
CIE-LCH	lch(58.60, 33.45, 266.09°)
OKLab	oklab(64.16% -0.0348 -0.0936)
OKLCH	oklch(64.16% 0.1 249.6)
XYZ	xyz(24.7449, 26.5964, 57.8514)
Luminance	0.2660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B91C7 #C7915B

analogous

#5BC7C7 #5B91C7 #5B5BC7

triadic

#5B91C7 #C75B91 #91C75B

tetradic

#5B91C7 #C75BC7 #C7915B #5BC75B

square

#5B91C7 #C75BC7 #C7915B #5BC75B

split-complementary

#5B91C7 #C75B5B #C7C75B

monochromatic

#2B547D #3A72AB #5B91C7 #89B0D7 #B6CEE6

Accessibility & contrast

On white

3.32

#5B91C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#5B91C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91C7

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B91C7	#FFFFFF	#000000	##000000
##5B91C7	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B93C9

Deuteranopia (green-blind)

#6D88C6

Tritanopia (blue-blind)

#159EA4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b91c7;
/* rgb */ color: rgb(91, 145, 199);
/* oklch */ color: oklch(64.2% 0.100 249.6);

Tailwind

colors: {
  custom: {
    50: '#91b1d8',
    500: '#5b91c7',
    950: '#000000',
  },
}

SCSS

$custom: #5b91c7;
$custom-light: #91b1d8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b91c7",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 199
  },
  "hsl": {
    "h": 210,
    "s": 49.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64163,
    "c": 0.09986,
    "h": 249.6
  },
  "luminance": 0.26598
}

Semantic roles & 50–950 ramp

primary

#5B91C7

secondary

#D5BFA9

accent

#944FD9

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #5B91C7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →